Fighting cancer with nano-robots is only an idea today, but scientists say that it would be possible in the future.

用纳米机器人对抗癌症在今天还只是一个想法，但科学家们说，这在未来将成为可能。

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Regardless, the reinvented Michigan remains only an idea.

无论如何，彻底改造后的密歇根目前还只是个想法。

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It is only an idea, a sentiment, and yet what magic it has wrought.

那或许只是一个念头、一种情感，但它却起到了神奇的作用。

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In his speech Wednesday night, President Obama said the idea is only one part of his plan and should not be used as an excuse.

VOA: special.2009.09.12

These aren't the only other possible payoffs. It's just an idea.

这并不是唯一的收益,只是个假设

耶鲁公开课 - 博弈论课程节选

We should note that this notion, or this idea of a god who can even make and keep an eternal covenant is only possible on the view that God's word and will are absolute, insusceptible to nullification by some superior power or some divine antagonist.

需要注意的一点是,神可以签订和遵守契约,只有可能是，上帝言语和意愿是不可违背的,并不会因为高级权力和强大对手而受到影响。

耶鲁公开课 - 旧约导论课程节选

The council recently insisted closing the school was still only an idea.

BBC: Petition over Shrewsbury school closure plan

Regardless, the reinvented Michigan remains only an idea.

ECONOMIST: Michigan

The initiative seemed harmless: it can only place an idea on the agenda, not actually oblige the commission to do anything (nothing came from a million-plus signatures on a petition calling for an end to the parliament's monthly meandering from Brussels to Strasbourg).

ECONOMIST: Charlemagne